J Emerg Med
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Randomized Controlled Trial
The specific effect of metronome guidance on the quality of one-person cardiopulmonary resuscitation and rescuer fatigue.
Metronome guidance is a simple and economic feedback method of guiding cardiopulmonary resuscitation (CPR). It has been proven for its usefulness in regulating the rate of chest compression and ventilation, but it is not yet clear how metronome use may affect compression depth or rescuer fatigue. ⋯ Metronome guidance is associated with lower chest compression depth of the first five cycles, while shortening the no-flow fraction and the ventilation count in a simulated one-person CPR model. Metronome guidance does not have an obvious effect of intensifying rescuer fatigue.
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Randomized Controlled Trial Comparative Study
A randomized controlled trial of patient-controlled analgesia compared with boluses of analgesia for the control of acute traumatic pain in the emergency department.
The use of patient-controlled analgesia (PCA) has been reported to provide effective pain relief, often resulting in less opioid consumption, and is associated with greater patient satisfaction when it is compared to other techniques of analgesia delivery. ⋯ PCA provides more effective pain relief and more patient satisfaction when compared to the conventional method of titrated bolus intravenous injection for the relief of traumatic pain in the ED setting.